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Square Footage Calculator
Calculate the area of a room or space in square feet from its length and width, with conversions to square yards, square meters and acres.
如何使用此工具
- 1Paste or type your input above.
- 2The result updates instantly.
- 3Copy the output with one click.
常见问题
How do I calculate square footage?+
Multiply length by width in feet. A 20 ft × 15 ft room is 300 square feet. For irregular spaces, split them into rectangles, find each area, and add them together.
Is my data private?+
Yes. The tool runs entirely in your browser — nothing you paste or type is uploaded to a server.
了解更多
- Square Footage Calculator: formula and example
- square footage calculator explained
- Common mistakes with square footage calculator